Thermalright Peerless Assassin 120 CPU Air Cooler vs Thermalright AXP120-X67 Low Profile CPU Air Cooler with Quite 120mm TL-12015 PWM
Updated August 2026 — The Thermalright Peerless Assassin 120 offers superior cooling performance and aesthetics, making it the better choice for high-performance builds. However, the AXP120-X67 is a great budget-friendly option for compact setups.
The Thermalright Peerless Assassin 120 offers superior cooling performance and aesthetics, making it the better choice for high-performance builds. However, the AXP120-X67 is a great budget-friendly option for compact setups.
Why Thermalright Peerless Assassin 120 CPU Air Cooler is better
Cooling Performance
Peerless Assassin 120 has a higher TDP of 245W.
Noise Levels
Peerless Assassin 120 operates at a quieter maximum noise level of 25.6 dB(A).
Aesthetics
Peerless Assassin 120 features colorful ARGB lights and a striking design.
Why Thermalright AXP120-X67 Low Profile CPU Air Cooler with Quite 120mm TL-12015 PWM is better
Size
AXP120-X67 is a low-profile cooler suitable for compact builds.
Price
AXP120-X67 is more budget-friendly at C$36.90.
Installation
AXP120-X67's lower height simplifies installation in smaller cases.
Overall score
Specifications
| Spec | Thermalright Peerless Assassin 120 CPU Air Cooler | Thermalright AXP120-X67 Low Profile CPU Air Cooler with Quite 120mm TL-12015 PWM |
|---|---|---|
| Max Airflow | 66.17 CFM | 59 CFM |
| Max Noise | 25.6 dB(A) | 26.1 dB(A) |
| Socket Support | Intel & AMD | Intel & AMD |
| Fan Speed | 1500 RPM | 1800 RPM |
| Material | Aluminum & Copper | Aluminum & Copper |
Dimension comparison
Overview
When considering CPU coolers, two standout options from Thermalright are the Thermalright Peerless Assassin 120 CPU Air Cooler and the Thermalright AXP120-X67 Low Profile CPU Air Cooler. The Peerless Assassin 120 is priced at C$51.39, while the AXP120-X67 is more budget-friendly at C$36.90. Each cooler has its unique features and specifications that cater to different user needs.
Cooling Performance
The Thermalright Peerless Assassin 120 boasts a significant effective heat dissipation area of 9600 cm², allowing it to handle a thermal design power (TDP) of up to 245W. Its dual-tower design, complemented by two PWM fans, ensures effective cooling. In contrast, the AXP120-X67, while still efficient, has a lower TDP capacity, designed primarily for lower-profile builds. It employs a single PWM fan with a maximum airflow of 59 CFM, compared to the Peerless Assassin's 66.17 CFM. For users prioritizing maximum cooling performance, the Peerless Assassin 120 is the superior choice.
Size and Compatibility
In terms of size, the Thermalright AXP120-X67 is a low-profile option, measuring 123.5 x 120 x 67 mm, making it suitable for compact builds. On the other hand, the Peerless Assassin 120 measures 125 x 135 x 157 mm, which may limit its compatibility in tighter cases. Both coolers support a variety of Intel and AMD socket types, ensuring a wide range of compatibility. For users with space constraints, the AXP120-X67 is the more suitable option.
Design and Aesthetics
The Peerless Assassin 120 features a visually striking design with full electroplating reflow welding and a white paint finish at the nanoscale, which enhances its aesthetic appeal. It also sports colorful ARGB lights that can be synchronized with a motherboard for an appealing visual configuration. In contrast, the AXP120-X67 focuses more on functionality than aesthetics, with a simpler design. Those who value a cooler with a striking appearance may lean towards the Peerless Assassin 120, while users prioritizing functionality might prefer the AXP120-X67.
Noise Levels
When it comes to noise levels, the Peerless Assassin 120 operates at a maximum noise level of 25.6 dB(A), while the AXP120-X67 can reach up to 26.1 dB(A). Though both coolers are designed for quiet operation, the Peerless Assassin has a slight edge in terms of noise performance. For users who are sensitive to sound, the Peerless Assassin 120 may be the better choice, providing a quieter experience during operation.
Installation and Ease of Use
Both coolers are designed for easy installation, featuring metal fasteners compatible with various Intel and AMD platforms. The Peerless Assassin 120's offset asymmetric layout allows for installation without obstructing memory chips, providing flexibility in build configurations. The AXP120-X67, while also user-friendly, has a lower height which can simplify installation in smaller cases. Ultimately, users should consider their specific case dimensions and layout when choosing between the two.
Brand Reputation and Longevity
Thermalright has over 20 years of experience in the cooling market, with a solid reputation for quality and performance. Both the Peerless Assassin 120 and AXP120-X67 are products of this established brand, reflecting a commitment to quality. While both options are reliable, the Peerless Assassin, with its higher price point, may be perceived as a premium offering. For those who value brand reputation and longevity, either cooler would be a solid choice.
Which should you buy?
Ultimately, the decision between the Thermalright Peerless Assassin 120 and the Thermalright AXP120-X67 comes down to your specific needs. If you require superior cooling performance, aesthetic appeal, and quieter operation, the Peerless Assassin 120, at C$51.39, is the better option. However, if you're looking for a more budget-friendly, low-profile cooler that still offers efficient cooling for compact builds, the AXP120-X67 at C$36.90 is an excellent choice. Each cooler has its strengths, so consider your priorities before making a purchase.
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